Declining Costs and Technology Are Powering Renewable Energy Demand According to New Deloitte Report

Renewable energy sources, notably solar and wind, are reaching price and performance parity on and off the grid, finds a new Deloitte Global report, "Global Renewable Energy Trends."

According to the report, three key enablers—price and performance parity, grid integration and technology — allow solar and wind power to compete with conventional sources on price, while matching their performance. As technologies such as blockchain, artificial intelligence (AI), and 3-D printing continue to advance the deployment of renewables, prices will likely continue to fall, and accessibility will improve.

"Demand for renewable energy sources has grown tremendously in recent years," says Marlene Motyka, Deloitte U.S. and global renewable energy leader and principal, Deloitte Transactions and Business Analytics LLP. "Governments, communities, emerging markets, and corporations increasingly understand that renewables are sustainable and affordable, and they want them included in current and future procurement plans."

Longstanding obstacles to greater deployment of renewables have receded as a result of three key enablers:

Reaching price and performance parity: The unsubsidized cost of solar and wind power has become comparable or cheaper than traditional sources in much of the world. New storage options are now making renewables more dispatchable — once an advantage of conventional sources.

Cost-effective and reliable grid integration: Once seen as an obstacle, wind and solar power are now viewed as a solution to grid balancing. They have demonstrated an ability to strengthen grid resilience and reliability and provide essential grid services. Smart inverters and advanced controls have enabled wind and solar to provide grid reliability services related to frequency, voltage, and ramping as well or better than other generation sources. When combined with smarter inverters, wind and solar can ramp up much faster than conventional plants, help stabilize the grid even after the sun sets and the wind stops, and, for Solar PV, show much higher response accuracy than any other source.

The impact of technology: Technology is accelerating the deployment of renewables: automation and advanced manufacturing are improving the production and operation of renewables by reducing the costs and time of implementing renewable energy systems; AI can fine tune weather forecasting, optimizing the use of renewable resources; blockchain can enable energy attribute certificate (EAC) markets to help resolve trust and bureaucratic hurdles; and advanced materials are transforming the materials of solar panels and wind turbines.

Already among the cheapest energy sources globally, solar and wind have not even run the full course of their enabling trends yet. As costs continue to fall and accessibility increases, the demand for renewables is growing rapidly, driven by the following stakeholders:

Smart renewable cities: Most of the world's population now lives in growing cities, some of which have taken a proactive "smart" approach to managing their infrastructure with connected sensor technology and data analytics. The focus of more advanced smart cities is to enhance quality of life, competitiveness and sustainability. Solar and wind are at the intersection of these goals because they contribute to depollution, decarbonization and resilience while enabling clean electric mobility, economic empowerment, and business growth.

Community energy: Building on the original trend toward "community solar", the addition of storage and management systems give communities more flexibility when implementing renewables. On-grid communities can now be powered independently from the grid, and in off-grid areas, community-owned partnerships enable electrification and reinvestment of profits.

Emerging markets: The cumulative capacity of emerging markets to develop renewable energy is on the verge of surpassing that of the developed world, as emerging markets have helped bring down the cost of renewables and are innovating in ways that benefit the developed world.

Corporate involvement: Corporations are procuring renewables in new ways, with many large corporations pursuing Power Purchase Agreements (PPAs) and smaller corporations turning to aggregation. Furthermore, currently two-thirds of Fortune 100 companies have set renewable energy targets and are leading global corporate procurement, signaling an important commitment from the private sector.

"Wide-scale integration of renewable energy sources is no longer a question of if, but when," adds Motyka. "Countries such as China, the United States, and Germany have already reached price parity for certain renewable sources. With prices continuing to drop, developed countries and emerging markets alike have the ability to integrate renewables into their grid systems to ensure competitive advantage."

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